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E73-2G4M08S1CX

[IC]：nRF52840

[Frequency]：2.360~2.500GHz

[Protocol]：BLE 4.2/5.0

[Distance]：120m

[Size]：13.0*18.0mm

[Introduction]：E73-2G4M08S1CX are wireless Bluetooth modules designed by Chengdu Ebyte which feature small size, low power consumption. It adopt the originally imported RFIC nRF52840 of NORDIC, supporting BLE 4.2 and BLE 5.0.

Manual
Sample
Outline features
Specification Parameters Pin Definition Order way Related Products

cx-01
cx-02
1000-C
cx-04
cx-05

Main parameterPerformance
Remark
Operating frequency
2360~2500 MHz     Support ISM band
TX power8 dBm     -
Receiving sensitivity

-103dBm@BLE 125kbps（Long ditance mode）

-95dBm@BLE 1M

     -
Reference distance120m     Test condition：clear and open area,antenna height: 2.5m，air data rate: 1Mbps


Main parameterDescription
Remark
IC
nRF52840-QIAAC0/aQFN ™ 73
     -
FLASH
1024KB
     -
RAM
256KB
     -
Core
ARM®Cortex ® -M4
     -
Size
13.0 * 18.0 mm     -
AntennaIPEX
     50 ohm impedance
ProtocolBLE 4.2/5.0
     -
PackageSMD     -


Main parameterMin.Typ.Max.UnitRemark
Operating voltage
1.73.35.5V≥3.3 V ensures output power
Communication level-
3.3-
VFor 5V TTL, it may be at risk of burning down
TX current-

17.05

12.68

7.25

7.63

17.05

-mA

TX only run current(DC/DC, 3 V) PRF = +8 dBm

TX only run current(DC/DC, 3 V) PRF = +4 dBm

TX only run current(DC/DC, 5 V, REG0 out = 3.3 V)PRF = 0 dBm

TX only run current(DC/DC, 3 V)PRF = 0 dBm

TX only run current(DC/DC, 3 V) PRF = +8 dBm

RX current-

7.71

8.27

-mA

RX only run current (DC/DC, 3 V)1 Mbps / 1 Mbps BLE

RX only run current (DC/DC, 3 V)2 Mbps / 2 Mbps BLE

Operating temperature
-40-
+85℃Industrial


07

No.
ItemCorresponding,cip pin itemDirectionDescription
1P1.11
P1.11
Common I/O

See details about nrf52840 datasheet on Nordic website

2P1.10
P1.10
Common I/O

Low frequency I0, standard drive

3P0.03
P0.03/AIN1
Common I/O

Analog input 1, low frequency I/O, standard drive

4AI4
P0.28/AIN4
Common I/O

Analog input 4

5GND
--

Single ground line , connect to the power reference ground

6P1.13
P1.13
Common I/O

Low frequency I0, standard drive

7AI0
P0.02/AIN0
Common I/O

Analog input 0, low frequency I/O, standard drive

8AI5
P0.29/AIN5
Common I/O

Analog input 5, low frequency I/O, standard drive

9AI7
P0.31/AIN7
Common I/O

Analog input 7, low frequency I/O, standard drive

10AI6
P0.30/AIN6
Common I/O

Analog input 6, low frequency I/O, standard drive

11XL1
P0.00/XL1
Common I/O

Connect to 32.768 kHz crystal

12P0.26
P0.26
Common I/O

See details about nrf52840 datasheet on Nordic website

13XL2
P0.01/XL2
Common I/O

Connect to 32.768 kHz crystal

14P0.06
P0.06
Common I/O

See details about nrf52840 datasheet on Nordic website

15AI3
P0.05/AIN3
Common I/O

Analog input 3

16P0.08
P0.08
Common I/O

See details about nrf52840 datasheet on Nordic website

17P1.09
P1.09
Common I/O

See details about nrf52840 datasheet on Nordic website

18AI2
P0.04/AIN2
Common I/O

Analog input 2

19VCC
--

Power supply

20P12
P0.12
Common I/O

See details about nrf52840 datasheet on Nordic website

21GND
--

Ground line, connect to the power reference ground

22P0.07
P0.07
Common I/O

See details about nrf52840 datasheet on Nordic website

23VDH
VDDH
-

High voltage power supply

24GND
--

Ground line, connect to the power reference ground

25DCH
DCCH
-

DC/DC converter output

26RST
P0.18/RESET
Common I/O

QSPI/CSN/external reset

27VBS
VBUS
-

USB power supply, 5W input, used to USB33V voltage regulator

28P15
P0.15
Common I/O

See details about nrf52840 datasheet on Nordic website

29D-
D-
-

USB D-

30P17
P0.17
Common I/O

See details about nrf52840 datasheet on Nordic website

31D+
D+
-

USB D+

32P0.20
P0.20
Common I/O

See details about nrf52840 datasheet on Nordic website

33P0.13
P0.13
Common I/O

See details about nrf52840 datasheet on Nordic website

34P0.22
P0.22
Common I/O

QSPI

35P0.24
P0.24
Common I/O

-

36P1.00
P1.00
Common I/O

See details about nrf52840 datasheet on Nordic website

37SWD
SWDIO
-

Serial debug programming port clock

38P1.02
P1.02
Common I/O

See details about nrf52840 datasheet on Nordic website

39SWC
SWDCLK
-

Serial debug programming port clock

40P1.04
P1.04
Common I/O

Low frequency I/O, standard drive

41NF1
P0.09/NFC1
Common I/O

NFC input

42P1.06
P1.06
Common I/O

Low frequency I/O, standard drive

43NF2
P0.10/NFC2
Common I/O

NFC input


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ModelIC Interface Frequency
Hz
Power
dBm 		Distance
km 		Air
Rate(bps) 		Package Size
(mm) 		Feature ManualSample
E73-2G4M04S1FX I/O nRF52811 2.4G 4 0.12 BLE 5.1/IEEE 802.15.4-2006 PCB/IPEX 17.5*23.5 ARM CORTEX-M4 Core
E73-2G4M04S1F I/O nRF52811 2.4G 4 0.12 BLE 5.1/IEEE 802.15.4-2006 PCB/IPEX 17.5 * 28.7 ARM CORTEX-M4 Core
E73-2G4M08S1EX I/O nRF52833 2.4G 8 0.12 BLE 5.1、Ble mesh、Thread、Zigbee IPEX 13*18 ARM CORTEX-M4 Core
E73-2G4M08S1CX I/O nRF52840 2.4G 8 0.12 BLE 4.2/5.0 IPEX 13.0 * 18.0 Small volume chip Bluetooth wireless module
E73-2G4M04S1AX I/O nRF52810 2.4G 4 0.1 BLE 4.2/5.0 IPEX 17.5*23.5 Small volume chip Bluetooth wireless module
E73-2G4M04S1BX I/O nRF52832 2.4G 4 0.1 BLE 4.2/5.0 IPEX 17.5*23.5 Small volume chip Bluetooth wireless module
E73-2G4M08S1E I/O nRF52833 2.4G 8 0.12 BLE 5.1、Ble mesh、Thread、Zigbee ceramic antenna 13.0 * 18.0 ARM CORTEX-M4 Core
E73-2G4M04S1A nRF52810 I/O 2.4G 4 0.1 BLE 4.2/5.0 PCB/IPX 17.5 * 28.7 Small size, integrated ARM MCU
E73-2G4M08S1C nRF52840 I/O 2.4G 8 0.12 BLE 4.2/5.0 Ceramic antenna 13.0 * 18.0 Small size, integrated ARM MCU
E73-2G4M04S1D nRF51822 I/O 2.4G 4 0.1 BLE 4.2 PCB/IPX 17.5 * 28.7 Low power consumpti, bluetooth
E73-2G4M04S1B nRF52832 I/O 2.4G 4 0.1 BLE 4.2/5.0 PCB/IPX 17.5 * 28.7 Small size, integrated ARM MCU
  • E73-2G4M04S1FX

    Product model：E73-2G4M04S1FX

    IC : I/O

    Interface : nRF52811

    Frequency Hz : 2.4G

    Power dBm : 4

    Distance km : 0.12

    Air Rate(bps) : BLE 5.1/IEEE 802.15.4-2006

    Package : PCB/IPEX

    Size (mm) : 17.5*23.5

    Feature : ARM CORTEX-M4 Core

    PDF ：

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  • E73-2G4M04S1F

    Product model：E73-2G4M04S1F

    IC : I/O

    Interface : nRF52811

    Frequency Hz : 2.4G

    Power dBm : 4

    Distance km : 0.12

    Air Rate(bps) : BLE 5.1/IEEE 802.15.4-2006

    Package : PCB/IPEX

    Size (mm) : 17.5 * 28.7

    Feature : ARM CORTEX-M4 Core

    PDF ：

    BUY：

  • E73-2G4M08S1EX

    Product model：E73-2G4M08S1EX

    IC : I/O

    Interface : nRF52833

    Frequency Hz : 2.4G

    Power dBm : 8

    Distance km : 0.12

    Air Rate(bps) : BLE 5.1、Ble mesh、Thread、Zigbee

    Package : IPEX

    Size (mm) : 13*18

    Feature : ARM CORTEX-M4 Core

    PDF ：

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  • E73-2G4M08S1CX

    Product model：E73-2G4M08S1CX

    IC : I/O

    Interface : nRF52840

    Frequency Hz : 2.4G

    Power dBm : 8

    Distance km : 0.12

    Air Rate(bps) : BLE 4.2/5.0

    Package : IPEX

    Size (mm) : 13.0 * 18.0

    Feature : Small volume chip Bluetooth wireless module

    PDF ：

    BUY：

  • E73-2G4M04S1AX

    Product model：E73-2G4M04S1AX

    IC : I/O

    Interface : nRF52810

    Frequency Hz : 2.4G

    Power dBm : 4

    Distance km : 0.1

    Air Rate(bps) : BLE 4.2/5.0

    Package : IPEX

    Size (mm) : 17.5*23.5

    Feature : Small volume chip Bluetooth wireless module

    PDF ：

    BUY：

  • E73-2G4M04S1BX

    Product model：E73-2G4M04S1BX

    IC : I/O

    Interface : nRF52832

    Frequency Hz : 2.4G

    Power dBm : 4

    Distance km : 0.1

    Air Rate(bps) : BLE 4.2/5.0

    Package : IPEX

    Size (mm) : 17.5*23.5

    Feature : Small volume chip Bluetooth wireless module

    PDF ：

    BUY：

  • E73-2G4M08S1E

    Product model：E73-2G4M08S1E

    IC : I/O

    Interface : nRF52833

    Frequency Hz : 2.4G

    Power dBm : 8

    Distance km : 0.12

    Air Rate(bps) : BLE 5.1、Ble mesh、Thread、Zigbee

    Package : ceramic antenna

    Size (mm) : 13.0 * 18.0

    Feature : ARM CORTEX-M4 Core

    PDF ：

    BUY：

  • E73-2G4M04S1A

    Product model：E73-2G4M04S1A

    IC : nRF52810

    Interface : I/O

    Frequency Hz : 2.4G

    Power dBm : 4

    Distance km : 0.1

    Air Rate(bps) : BLE 4.2/5.0

    Package : PCB/IPX

    Size (mm) : 17.5 * 28.7

    Feature : Small size, integrated ARM MCU

    PDF ：

    BUY：

  • E73-2G4M08S1C

    Product model：E73-2G4M08S1C

    IC : nRF52840

    Interface : I/O

    Frequency Hz : 2.4G

    Power dBm : 8

    Distance km : 0.12

    Air Rate(bps) : BLE 4.2/5.0

    Package : Ceramic antenna

    Size (mm) : 13.0 * 18.0

    Feature : Small size, integrated ARM MCU

    PDF ：

    BUY：

  • E73-2G4M04S1D

    Product model：E73-2G4M04S1D

    IC : nRF51822

    Interface : I/O

    Frequency Hz : 2.4G

    Power dBm : 4

    Distance km : 0.1

    Air Rate(bps) : BLE 4.2

    Package : PCB/IPX

    Size (mm) : 17.5 * 28.7

    Feature : Low power consumpti, bluetooth

    PDF ：

    BUY：

  • E73-2G4M04S1B

    Product model：E73-2G4M04S1B

    IC : nRF52832

    Interface : I/O

    Frequency Hz : 2.4G

    Power dBm : 4

    Distance km : 0.1

    Air Rate(bps) : BLE 4.2/5.0

    Package : PCB/IPX

    Size (mm) : 17.5 * 28.7

    Feature : Small size, integrated ARM MCU

    PDF ：

    BUY：